Flow distributor devices for internal combustion engine fuel injection systems



March 3, .1970 E. H. WARNE 3,498,185

FLOW DISTRIBUTOR DEVICES FOR INTERNAL COMBUSTION ENGINE FUEL "INJECTION SYSTEMS Filed June a, 1968 6 WE TOR ATTORNEYS P 3,498,185 Patented Mar. 3, 1970 and this enters a body (not illustrated) having an inte- 3498185 rior cavity 11. In the body and communicating with the FLOW DISTRIBUTOR DEVICES FOR INTERNAL inlet 10 is a gallery 12 having a plurality of inlet pas- COMBUSTION ENGINE FUEL INJECTION sages 13 communicating therewith. The number of in- SYSTEMS let passages 13 corresponds to the number of injector g Harold q p g g t nozzles 9 and communicates with respective chambers 14 ioselphdleucas (Industries) Limited, Bn'mmg in the cavity 11. The chambers 14 have respective outlet June 6 1968 Ser No 734 974 passages 15. These chambers 14 are equi-angularly spaced Int CL 6 c l/bo; 1 13/02 about the central axis of the cavity 11. The outlet pas- CL 91 121 1 Claim sages 15 communicate respectively with the nozzles 9.

Each chamber 14 has its inlet passage 13 at one of its ends, while its outlet passage 15 is at the opposite end.

The cavity 11 contains a cylindrical rotor 16 having ABSTRACT OF THE DISCLOSURE an external driving shaft (not shown). The rotor 16 A fluid distributor device for use in a fuel injection 15 carries a plurality of equi-ahghlarly Spaced radially system for an internal combustion engine comprising, ahie vanes the number of these vanes in this a body containing a rotor, a single inlet, and a plurality amPIe, e g twice the number of Chambers and of outlet passages, the body having a plurality of equitheir spacing around the rotor circumference being equal angularly Spaced chambers disposed adjacent to the to half the circumferential spacing between the chambers. tor periphery each Chamber communicating with h 20 The number of vanes and chambers and their spacings inlet and with one of the outlets respectively, the rotor are $0 Chosen that at y angular Position of the rotor carrying a plurality of equiaugularly spaced vanes which 16 in the y, there Will always be a Vane 17 in each 0f are radially slidable With respect to the axis of rotation the chelmhers each such Vane being disposed between f the rotor 1 to sweep through the chambers in tum the inlet and outlet thereof. Thus fuel pressure in the so that fluid flows between the inlet and the outlets Inlet Passage will cause the rotor to rotate, thus through the Chambers respectively forcing fuel in the chambers 14 in front of the vanes 17 through the outlet passages 15, and to the injector nozzles 9. It will be observed that the rotor 16 is not engine driven, but is rotated by the pressure of the incoming fuel. By means of this arrangement, the incoming fuel is equally divided into a number of equal charges, delivered to an equal number of injector nozzles 9 respectively.

Having thus described my invention what I claim as new and desire to secure by Letters Patent is:

1. A flow distributor device for a fuel system comprising a body, a rotor disposed within the body, a single Accordlng to the Present lnventlorl 3 HOW dlstflhutof inlet to a gallery in the body, a plurality of inlet passages device 01 a fuel system of thfl specififid comprises affording communication between aid inlet and a plua y, a rotor disposed Within the y, a single inlet 40 rality of equi-angularly spaced chambers disposed adto a g y in the body, a plurality of inlet Passages jacent to the rotor periphery respectively, a plurality of The invention relates to flow distributor devices for use in fuel injection systems for internal combustion engines, such systems being of the kind in which fuel is delivered through a plurality of injection nozzles disposed in the inlet manifold of the engine.

The object of the invention is to provide a flow distributor device for a fuel system of the kind specified in a convenient form.

affording Communication betWeen said inlet and a P outlet passages leading from the chambers to respective rality of equi-angularly spaced c ers p se outlets in the body, each chamber having its inlet pasjacent to the rotor periphery respectively, a plurality of sage, and it outlet passage disposed at opposite ends outlet passages leading from the chambers to respective of th chamber respectively, and the rotor carrying a pluoutlets in the body, each chamber having its inlet P rality of equi-angularly spaced vanes which are radially Sage and its Outlet Passage disposed at pp ends of slidable with respect to the axis of rotation of the rotor the chamber respectively, and the rotor Carrying a P as the latter rotates, to sweep through the chambers in Tality of equi-angularly Paced vanes Which are radially turn, the circumferential spacing of the vanes being slidable with respect to the axis of rotation of the rotor half the circumferential spacing of the chambers. as the latter rotates, to sweep through the chambers in turn, the spacing of adjacent vanes being less than the References Cited distance between adjacent inlet and outlet passages.

The invention will now be described by way of ex- UNITED STATES PATENTS ample with reference to the accompanying drawing, the 609 027 /1 93 il et 1 91 1 X single figure of which illustrates diagrammatically, a flow 25 00 5 99 Pickel et ah 91 131 distributor device constructed in accordance with the in- 1 445 559 2/1923 Robertson 91.421 vention- 2,280,272 4/1942 Sullivan 1032 X The device illustrated is intended for use in a fuel 2,634,688 4/1953 Jakobsen 1032 X system for supplying fuel to the inlet manifold of a multi- 2,832,199 4/ 1958 Adams et a1. 1032 X cylinder internal combustion engine, through a plurality 3,071,115 1/ 1963 Schott 91-121 X of injector nozzles 9 which are disposed in the manifold, 3,280,747 10/ 1966 Miiller-Meyer 1032 the number of these corresponding to the number of 3,384,018 5/1968 Mueller 1032 cylinders in the engine.

The device is for use in association with a system for DONLEY STOCKING, Prlmafy EXamlHer controlling the rate of fuel to the injector nozzle 9 which W. L KRAUSS, Assistant Examiner forms the subject of our co-pending British patent application No. 5109/67. Us, ()1, X R

The inlet to the distributor device is indicated at 10, 1032 

